Solved by byeongkeunahn

#	Title	# Solved	Avg. Tries
8149	Weights	72	2.57
8146	Tetris Attack	50	2.50
8145	Megalopolis	86	2.65
8143	The Flood	23	1.74
8142	Ridges and Valleys	50	1.84
8141	Axes of Symmetry	21	2.86
8138	Tourist Attractions	31	5.97
8137	Sophie	18	7.94
8136	Palindromes	26	4.69
8133	Aesthetic Text	29	2.66
8131	Ploughing	137	4.32
8130	The Postman	19	12.95
8129	The Invasion	30	3.73
8128	Subway	45	6.42
8125	Professor Szu	38	5.84
7907	Bytean Road Race	69	2.28
7662	Dual Priority Queue	12,814	4.54
7626	Rectangles	640	4.10
7620	Edit distance	160	6.94
7453	4 Values whose Sum is 0	6,562	4.39
7439	Highways	33	1.94
7385	Minimax Triangulation	3	1.67
7287	Registration STANDARD	61,342	1.92
6987	월드컵	3,366	3.42
6559	Bound Found	3	8.67
6549	Largest Rectangle in a Histogram	10,882	3.65
6444	Spreadsheet	51	4.84
6293	Vim	17	3.41
6242	City Horizon	63	2.11
6209	River Hopscotch	750	2.43
6206	Milk Patterns	137	2.36
6181	Cow Neighborhoods	83	2.96
6171	Land Acquisition	591	3.16
6091	Reconstruction	460	1.72
6086	Total Flow	2,635	3.63
5820	경주	594	4.74
5542	JOI 국가의 행사	354	2.08
5498	Batch Scheduling	98	1.41
5467	Type Printer	117	2.00
5466	Salesman	209	3.78
5419	North-Western Winds	1,879	2.89
5386	Doubloon Game	297	1.85
5254	Balls	89	4.57
5250	Shortest paths	202	4.46
5044	Code Theft	35	8.17
5041	Code Permutations	18	1.22
4880	What’s Next?	3,191	1.67
4792	Red/Blue Spanning Tree	1,076	2.52
4342	Euclid's Game	414	2.81
4225	Trash Removal	723	4.41

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